CN213607042U - Functional sectional type dental implant - Google Patents
Functional sectional type dental implant Download PDFInfo
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- CN213607042U CN213607042U CN202021828787.8U CN202021828787U CN213607042U CN 213607042 U CN213607042 U CN 213607042U CN 202021828787 U CN202021828787 U CN 202021828787U CN 213607042 U CN213607042 U CN 213607042U
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Abstract
The utility model discloses a function sectional type dental implant includes linkage segment and bionical section from top to bottom in proper order, be equipped with first double-thread on the periphery wall of the first section of linkage segment, first morse taper hole has been seted up to the first section of linkage segment, the second section of linkage segment is the frustum form, the first section of bionical section seted up with the second morse taper hole that the frustum cooperation is connected, evenly be equipped with porous structure on the periphery wall of the first section of bionical section, the second section of bionical section is cylindric or root of a tooth form. The utility model adopts the structure, the bonding strength of the dental implant and the alveolar bone is improved, and the stability of the initial stability of the clinical implant and the long-term osseointegration is facilitated; the utility model discloses can also carry out individualized design according to patient CT image and alveolar bone actual conditions to satisfy the patient to the demand of different root of tooth length and appearance.
Description
Technical Field
The utility model relates to the technical field of oral medical instruments, in particular to a functional sectional type dental implant.
Background
The implant is an ideal method for repairing the lost tooth, and the combination condition of the implant and the surrounding tissues after the implant is implanted into the jaw bone is directly related to the success or failure of the implant. The quality of osseointegration of the dental implant is one of the key factors for ensuring the success of the dental implant, and besides the biocompatibility of the material, the structure of the dental implant largely determines whether the implant can be combined with the alveolar bone for a long time. The existing common dental implants in the market are basically general dental implants with regular shapes such as column type, cone type or thread type, and are all finished by traditional machining, the elastic modulus of the dental implants is far higher than that of bone tissues, the stress shielding effect is generated, and the osseointegration and the initial stability are poor. How to further reduce the elastic modulus of the implant and make the implant closer to bone tissues so as to reduce the stress shielding effect and increase the bonding strength of the implant and the alveolar bone is a problem to be solved. In addition, the conventional dental implant cannot be individually designed according to the actual condition of the alveolar bone.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to a functional segmented dental implant, which solves one or more of the problems of the prior art and provides at least one of the advantages of the present invention.
The utility model provides a solution of its technical problem is:
the utility model provides a function sectional type dental implant, includes linkage segment and bionical section from top to bottom in proper order, be equipped with first double-thread on the periphery wall of the first section of linkage segment, first morse taper hole has been seted up to the first section of linkage segment, the second section of linkage segment is the frustum form, the first section of bionical section seted up with the second morse taper hole that the frustum cooperation is connected, evenly be equipped with porous structure on the periphery wall of the first section of bionical section, the second section of bionical section is cylindric or root of tooth form.
The outer peripheral wall of the upper half section of the bionic section is uniformly provided with a porous structure, and the design of the porous structure improves the bonding strength of the dental implant and the alveolar bone, thereby being beneficial to the initial stability of the clinical implant and the stability of long-term osseointegration; the lower half section of the bionic section is in a tooth root shape or a cylinder shape, and can be individually designed according to the CT image of a patient and the actual condition of an alveolar bone, so that the requirements of the patient on different tooth root lengths and shapes are met; the connecting section and the bionic section are connected through Morse taper, so that the positioning can be accurate, and the disassembly and the assembly are convenient.
As a further improvement of the above technical solution, the taper of the first morse taper hole, the taper of the second morse taper hole, and the taper of the frustum are all 2 to 5 °. The taper is very small, the principle of friction is utilized, certain torque can be transmitted, and due to the fact that the taper is matched, the assembly and disassembly can be facilitated.
As a further improvement of the above technical solution, a first connecting surface is disposed on a bottom surface of the upper half section of the connecting section, and a second connecting surface in close contact connection with the first connecting surface is disposed on a top surface of the upper half section of the bionic section. The first connecting surface and the second connecting surface are both subjected to high-precision polishing treatment, so that the attaching degree of the connecting section and the bionic section is improved.
As a further improvement of the technical scheme, the porous structure is a regular quadrilateral porous structure, a regular pentagonal porous structure, a regular hexagonal porous structure or a diamond porous structure.
As a further improvement of the technical scheme, the pore diameter of the porous structure is 0.3-1mm, and the pore depth is 0.2-0.5 mm.
As a further improvement of the technical scheme, the lower half section of the bionic section is cylindrical, and the peripheral wall of the bionic section is provided with a second double-thread. The self-tapping type of the dental implant is improved by the double-thread design, so that the dental implant can be more effectively implanted into the alveolar bone.
As a further improvement of the technical scheme, the lower half section of the bionic section is in a tooth root shape, and the contour line of the outer surface of the bionic section is a smooth curve. The lower half section of the bionic section is designed into a tooth root shape, so that the occlusion and force transmission characteristics of natural teeth can be well simulated, and the rapid and batch production can be realized.
As a further improvement of the technical scheme, the dental implant is made of titanium alloy, magnesium alloy, tantalum alloy, ceramic or polyether ether ketone.
Drawings
The present invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is a schematic view of the overall structure of embodiment 1 of the present invention;
fig. 2 is a cross-sectional view of embodiment 1 of the present invention;
FIG. 3 is a sectional view of a connecting segment according to embodiment 1 of the present invention;
fig. 4 is a cross-sectional view of a bionic segment in embodiment 1 of the present invention;
fig. 5 is a schematic view of the overall structure of embodiment 2 of the present invention;
fig. 6 is a cross-sectional view of embodiment 2 of the present invention;
fig. 7 is a cross-sectional view of a bionic segment in embodiment 2 of the present invention.
In the figure, 1-connecting section, 2-bionic section, 3-first double-thread, 4-first Morse taper hole, 5-frustum, 6-second Morse taper hole, 7-porous structure, 8-first connecting surface, 9-second connecting surface and 10-second double-thread.
Detailed Description
This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, if words such as "a plurality" are used, the meaning is one or more, the meaning of a plurality of words is two or more, and the meaning of more than, less than, more than, etc. is understood as not including the number, and the meaning of more than, less than, more than, etc. is understood as including the number.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
Example 1
Referring to fig. 1-4, in the embodiment of the present invention, a functional segmented dental implant includes a connection section 1 and a bionic section 2 in sequence from top to bottom, a first double-threaded portion 3 is disposed on the outer peripheral wall of the first half of the connection section 1, a first morse taper hole 4 is disposed on the first half of the connection section 1, the second half of the connection section 1 is in a frustum shape 5, a second morse taper hole 6 cooperatively connected with the frustum 5 is disposed on the first half of the bionic section 2, a porous structure 7 is uniformly disposed on the outer peripheral wall of the first half of the bionic section 2, and the second half of the bionic section 2 is in a cylindrical shape. The connecting section 1 and the bionic section 2 are connected through Morse taper, so that the positioning can be accurate, and the disassembly and the assembly are convenient. Of course, the first double-thread 3 provided on the outer peripheral wall of the upper half of the coupling segment 1 may be replaced by a zigzag thread.
In this embodiment, the connecting section 1 may be made of titanium alloy, magnesium alloy, tantalum alloy, ceramic, or polyether ether ketone, and may be formed into various specifications and models by CNC fine machining according to standard models, such as 3.5mm, 4.3mm, and 5.0mm series diameters, the connecting section 1 is provided with a first morse taper hole 4 having a taper of 2 to 5 ° in the upper half section by CNC fine machining, and the connecting section 1 is provided with a frustum 5 having a taper of 2 to 5 ° in the lower half section. The upper half of the connecting section 1 is thicker than the lower half of the connecting section 1, that is, the cross section of the upper half of the connecting section 1 is larger than that of the lower half of the connecting section 1, so that a first connecting surface 8 is formed at the periphery of the connecting part of the upper half and the lower half of the connecting section 1.
In this embodiment, the material of the bionic section 2 may be titanium alloy, magnesium alloy, tantalum alloy, ceramic, or polyether ether ketone, and is formed by 3D printing, casting, or metal injection molding, the upper half section of the bionic section 2 is provided with a second morse taper hole 6 with a taper of 2 to 5 degrees by CNC fine machining, and the second morse taper hole 6 is connected with the frustum 5 in a matching manner. The top surface of the first half section of the bionic section 2 is provided with a second connecting surface 9 which is connected with the first connecting surface 8 in a laminating way, and the first connecting surface 8 and the second connecting surface 9 are both subjected to high-precision polishing treatment, so that the laminating degree of the connecting section 1 and the bionic section 2 is improved. The lower half section of the bionic section 2 is cylindrical, and the peripheral wall of the bionic section is provided with the second double-thread 10, of course, the second double-thread 10 can be replaced by a saw-tooth thread, and compared with the saw-tooth thread, the double-thread can improve the self-tapping type of the dental implant, so that the dental implant can be more effectively implanted into the alveolar bone.
In the present embodiment, the porous structure 7 is a porous structure with a regular shape, such as a regular quadrilateral porous structure, a regular pentagonal porous structure, a regular hexagonal porous structure, or a diamond porous structure, and the pore diameter of the porous structure 7 is 0.3-1mm, and the pore depth is 0.2-0.5 mm. The regular quadrilateral porous structure, the regular pentagon porous structure and the regular hexagon porous structure respectively mean that the cross sections of the porous structures are respectively a regular quadrilateral, a regular pentagon and a regular hexagon. Of course, a porous structure with irregular shape can be arranged according to the requirement, the porous structure 7 optimizes the elastic modulus of the material of the implant, improves the osseointegration performance of the implant, and is beneficial to the initial stability of the clinical implant and the stability of long-term osseointegration.
Example 2
Referring to fig. 5 to 7, the difference from the embodiment 1 is that the lower half of the bionic segment 2 in this embodiment is in the shape of a tooth root and the contour line of the outer surface thereof is a smooth curve, and the rest of the structure is the same as the embodiment 1. The lower half section of the bionic section 2 is designed into a tooth root shape, so that the occlusion and force transmission characteristics of natural teeth can be well simulated, and the rapid and batch production can be realized.
While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the foregoing and various other changes, omissions and deviations in the form and detail thereof may be made without departing from the scope of this invention.
Claims (8)
1. The utility model provides a function sectional type dental implant, its characterized in that includes linkage segment and bionical section from top to bottom in proper order, be equipped with first double-thread on the periphery wall of the first section of linkage segment, first morse taper hole has been seted up to the first section of linkage segment, the second morse taper hole that the linkage segment was described, the first section of bionical section seted up with the cooperation of frustum is connected, evenly be equipped with porous structure on the periphery wall of the first section of bionical section, the second section of bionical section is cylindric or root of a tooth form.
2. The functionally segmented dental implant of claim 1, wherein the taper of the first morse taper hole, the taper of the second morse taper hole, and the taper of the frustum are each 2-5 °.
3. The functionally segmented dental implant of claim 1, wherein the bottom surface of the superior half of the connecting section is provided with a first connecting surface, and the top surface of the superior half of the biomimetic section is provided with a second connecting surface in abutting connection with the first connecting surface.
4. The functionally segmented dental implant of claim 1, wherein the porous structure is a regular quadrilateral porous structure, a regular pentagonal porous structure, a regular hexagonal porous structure, or a diamond porous structure.
5. The functionally segmented dental implant according to claim 1 or 4, wherein the porous structure has a pore size of 0.3-1mm and a pore depth of 0.2-0.5 mm.
6. The functionally segmented dental implant of claim 1, wherein the lower half of the biomimetic segment is cylindrical and has a second double-threaded thread on its outer peripheral wall.
7. The functionally segmented dental implant of claim 1, wherein the lower half of the biomimetic segment is root-shaped and the contour of its outer surface is a smooth curve.
8. The functionally segmented dental implant of claim 1, wherein the dental implant is made of titanium alloy, magnesium alloy, tantalum alloy, ceramic or polyetheretherketone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021828787.8U CN213607042U (en) | 2020-08-27 | 2020-08-27 | Functional sectional type dental implant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021828787.8U CN213607042U (en) | 2020-08-27 | 2020-08-27 | Functional sectional type dental implant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213607042U true CN213607042U (en) | 2021-07-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021828787.8U Active CN213607042U (en) | 2020-08-27 | 2020-08-27 | Functional sectional type dental implant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213607042U (en) |
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2020
- 2020-08-27 CN CN202021828787.8U patent/CN213607042U/en active Active
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Address after: 511457 room 101-103, No. 37, Jinlong Road, Nansha street, Nansha District, Guangzhou City, Guangdong Province (can not be used as a workshop) Patentee after: Guangdong Jianchi Biotechnology Co.,Ltd. Address before: 511464 x5056, 5th floor, management committee building, Jiuyong section, Yuehai Avenue, Wanqingsha Town, Nansha District, Guangzhou City, Guangdong Province (office use only) (WB) Patentee before: GUANGZHOU JIANCHI BIOTECHNOLOGY Co.,Ltd. |
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